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AWS E320LR vs. ACI-ASTM CB30 Steel

Both AWS E320LR and ACI-ASTM CB30 steel are iron alloys. They have 59% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is AWS E320LR and the bottom bar is ACI-ASTM CB30 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 580
500

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Melting Completion (Liquidus), °C 1410
1430
Melting Onset (Solidus), °C 1360
1380
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 14
11

Otherwise Unclassified Properties

Base Metal Price, % relative 36
10
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 6.2
2.3
Embodied Energy, MJ/kg 87
33
Embodied Water, L/kg 220
130

Common Calculations

PREN (Pitting Resistance) 28
20
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
18
Strength to Weight: Bending, points 19
18
Thermal Shock Resistance, points 15
17

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.3
Chromium (Cr), % 19 to 21
18 to 21
Copper (Cu), % 3.0 to 4.0
0 to 1.2
Iron (Fe), % 32.7 to 42.5
72.9 to 82
Manganese (Mn), % 1.5 to 2.5
0 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 32 to 36
0 to 2.0
Niobium (Nb), % 0 to 0.4
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.3
0 to 1.5
Sulfur (S), % 0 to 0.015
0 to 0.040